Mass Effect Limited Collector's Edition Box Cover

Following the Forza 2 Limited Collector's Edition box art, here are the pictures of a Limited Collector's Edition of Mass Effect. These come from Microsoft Europe so we don't have any details about the content of these editions. In the meantime, enjoy them:

to see if they have any information on this. the only collector's edition i have bought was splinter cell: chaos theory because it's my favorite. depends on what it comes with. extra planets, characters, weapons, what could it be. surely not an extra $10 for a map and spectre coin.